@charset "UTF-8";
/* ==========================================================================
   原稿作成専門ニーバーオフィス — 会社概要・サービス案内（https://www.documedia-p.com/）
   配色は /oiwai-support/ を踏襲：ミントグレーの地・えんじ・桜色・朱
   ========================================================================== */

:root {
  --mint: #e6f2f2;          /* 地（oiwai-support の背景色） */
  --mint-light: #f2f8f8;
  --mint-deep: #cfe3e2;
  --enji: #7d2231;          /* えんじ（oiwai-support のボタン・罫） */
  --enji-deep: #5c1824;
  --rule: rgba(125, 34, 49, .34);       /* 原稿用紙の罫 */
  --rule-strong: rgba(125, 34, 49, .72);
  --sakura: #f1c9d3;        /* 桜色（oiwai-support のヘッダー） */
  --sakura-pale: #fbeef2;
  --shu: #b8262a;           /* 朱（落款のみ） */
  --sumi: #2b2b2b;
  --mute: #56605f;
  --paper: #ffffff;

  --mincho: "Shippori Mincho B1", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Hiragino Mincho Pro", serif;
  --gothic: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", YuGothic, Meiryo, sans-serif;

  --pad: clamp(16px, 4.4vw, 56px);
  --measure: 40em;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--mint);
  color: var(--sumi);
  font-family: var(--gothic);
  font-size: clamp(1rem, .95rem + .14vw, 1.0625rem);
  line-height: 1.95;
  letter-spacing: .04em;
  font-feature-settings: "palt" 0;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--sakura); color: var(--sumi); }

a { color: var(--enji); text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { color: var(--enji-deep); }
:focus-visible { outline: 2px solid var(--enji); outline-offset: 3px; border-radius: 2px; }

img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 600; }

.container {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--pad);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 12px; top: -48px;
  z-index: 10;
  padding: 8px 16px;
  background: var(--enji);
  color: #fff;
  font-size: .875rem;
  text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 12px; color: #fff; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  border-top: 4px solid var(--enji);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--sumi);
  text-decoration: none;
}
.brand:hover { color: var(--sumi); }
.brand__seal {
  display: inline-grid;
  place-items: center;
  width: 38px; height: 38px;
  border: 1.5px solid var(--shu);
  border-radius: 5px;
  color: var(--shu);
  font-family: var(--mincho);
  font-weight: 700;
  font-size: 13px;
  line-height: 1;
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: .06em;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.25; }
.brand__tag { font-size: .72rem; letter-spacing: .3em; color: var(--mute); }
.brand__name {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 1.32rem;
  letter-spacing: .14em;
}

.site-nav ul { display: flex; gap: clamp(16px, 2.6vw, 36px); }
.site-nav a {
  position: relative;
  color: var(--sumi);
  font-size: .9rem;
  letter-spacing: .1em;
  text-decoration: none;
  padding-block: 6px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--enji);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s cubic-bezier(.2, .7, .2, 1);
}
.site-nav a:hover { color: var(--enji); }
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* --------------------------------------------------------------------------
   Hero — 原稿用紙
   -------------------------------------------------------------------------- */
.hero { padding-block: clamp(24px, 5vw, 72px) clamp(64px, 9vw, 128px); }
.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "services manuscript";
  align-items: center;
  gap: clamp(40px, 5.5vw, 88px);
}
.manuscript {
  /* 右にサービス一覧（最小約420px）を残して、マスの大きさを決める */
  --cell: clamp(23px, calc((min(100vw, 1320px) - 2 * var(--pad) - 420px) / 14.6), 44px);
  --gap: calc(var(--cell) * .2);
  grid-area: manuscript;
  justify-self: end;
  position: relative;
  isolation: isolate;
  margin: 0 calc(var(--cell) * .3) calc(var(--cell) * .34) 0;
}
/* 下に重なる一枚（桜色） */
.manuscript::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--sakura);
  transform: translate(calc(var(--cell) * .26), calc(var(--cell) * .3)) rotate(1.6deg);
  box-shadow: 0 18px 40px -26px rgba(92, 24, 36, .45);
}
.services { grid-area: services; }

.sheet {
  --step: 38ms;
  position: relative;
  padding: calc(var(--cell) * .62) calc(var(--cell) * .5) calc(var(--cell) * .9);
  background-color: var(--paper);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45  0 0 0 0 .36  0 0 0 0 .3  0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    radial-gradient(120% 90% at 30% 20%, rgba(255, 255, 255, 0) 55%, rgba(125, 34, 49, .035) 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 2px 4px rgba(40, 70, 70, .06),
    0 28px 60px -30px rgba(40, 70, 70, .45);
}

.sheet__frame {
  display: flex;
  border: 1.5px solid var(--rule-strong);
  padding-inline: var(--gap) 0;
}

/* 柱（中央の綴じ目）と魚尾 */
.sheet__hashira {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: calc(var(--cell) * .35);
  width: calc(var(--cell) * .9);
  padding-top: calc(var(--cell) * 1.4);
  margin-right: var(--gap);
  border-left: 1px solid var(--rule-strong);
  border-right: 1px solid var(--rule-strong);
  order: -1;
  margin-left: calc(var(--gap) * -1);
}
.gyobi {
  width: calc(var(--cell) * .5);
  height: auto;
  fill: var(--rule-strong);
}
.gyobi--bottom { margin-top: auto; margin-bottom: calc(var(--cell) * 1.4); }
.sheet__hashira-text {
  writing-mode: vertical-rl;
  font-family: var(--mincho);
  font-weight: 500;
  font-size: calc(var(--cell) * .34);
  letter-spacing: .5em;
  color: var(--enji);
}

.sheet__grid {
  display: grid;
  grid-template-rows: repeat(10, var(--cell));
  grid-auto-columns: var(--cell);
  grid-auto-flow: column;
  column-gap: var(--gap);
  direction: rtl;
  padding-block: 0;
  margin-right: var(--gap);
}

.c {
  display: grid;
  place-items: center;
  border: 1px solid var(--rule);
  border-top: 0;
  writing-mode: vertical-rl;
  font-family: var(--mincho);
  font-size: calc(var(--cell) * .6);
  line-height: 1;
  color: var(--sumi);
  direction: ltr;
}
.c:nth-child(10n + 1) { border-top: 1px solid var(--rule); }
.c i {
  font-style: normal;
  display: block;
  animation: ink .7s cubic-bezier(.2, .7, .2, 1) both;
  animation-delay: calc(var(--i) * var(--step) + 350ms);
}
.c--title { font-weight: 700; color: var(--enji); }
.c--name  { font-weight: 600; }
.c--body  { font-weight: 500; }

@keyframes ink {
  from { opacity: 0; filter: blur(5px); transform: scale(1.18); }
  60%  { opacity: 1; filter: blur(.4px); }
  to   { opacity: 1; filter: none; transform: none; }
}

/* 落款 */
.sheet__seal {
  position: absolute;
  /* 2列目（名前）の最下マスに重ねる */
  right: calc(var(--cell) * 2.03 + 1.5px);
  top: calc(var(--cell) * 9.58);
  display: grid;
  place-items: center;
  width: calc(var(--cell) * .74);
  height: calc(var(--cell) * 1.12);
  border: 2px solid var(--shu);
  border-radius: calc(var(--cell) * .12);
  color: var(--shu);
  background: rgba(255, 255, 255, .55);
  font-family: var(--mincho);
  font-weight: 700;
  font-size: calc(var(--cell) * .4);
  line-height: 1;
  letter-spacing: .04em;
  writing-mode: vertical-rl;
  text-orientation: upright;
  mix-blend-mode: multiply;
  transform: rotate(-4deg);
  animation: stamp .45s cubic-bezier(.3, 1.4, .5, 1) both;
  animation-delay: calc(var(--ink-count) * var(--step) + 650ms);
}
@keyframes stamp {
  from { opacity: 0; transform: scale(1.7) rotate(-14deg); }
  to   { opacity: 1; transform: rotate(-4deg); }
}

.sheet__print {
  position: absolute;
  right: calc(var(--cell) * .5);
  bottom: calc(var(--cell) * .3);
  font-family: var(--mincho);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--rule-strong);
}

/* --------------------------------------------------------------------------
   原稿用紙のマス目の見出し
   -------------------------------------------------------------------------- */
.cells-heading { --hc: clamp(28px, min(3.2vw, calc((100vw - 2 * var(--pad)) / 10.4)), 42px); }
.cells-heading__cells {
  display: flex;
  flex-wrap: wrap;
}
.cells-heading__cells span {
  display: grid;
  place-items: center;
  width: var(--hc);
  height: var(--hc);
  margin-left: -1px;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, .55);
  font-family: var(--mincho);
  font-weight: 600;
  font-size: calc(var(--hc) * .56);
  line-height: 1;
  color: var(--sumi);
}
.cells-heading__cells span:first-child { margin-left: 0; }

/* 縦書きの見出し（会社概要・プライバシーポリシー） */
.cells-heading--vertical { --hc: clamp(34px, 3.1vw, 46px); }
.cells-heading--vertical .cells-heading__cells { flex-direction: column; flex-wrap: nowrap; }
.cells-heading--vertical .cells-heading__cells span {
  margin: -1px 0 0;
  writing-mode: vertical-rl;
}
.cells-heading--vertical .cells-heading__cells span:first-child { margin-top: 0; }

/* --------------------------------------------------------------------------
   サービスのご案内
   -------------------------------------------------------------------------- */
.services__lead {
  margin-top: 22px;
  color: var(--mute);
  font-size: .95rem;
}
.svc { margin-top: 28px; border-top: 1px solid var(--rule); }
.svc__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 20px;
  padding: 22px 6px 22px 4px;
  border-bottom: 1px solid var(--rule);
  transition: background-color .35s ease;
}
.svc__item::after {
  /* 筆の一画のような指示線 */
  content: "";
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  width: 28px;
  height: 1.5px;
  background: var(--enji);
  transform-origin: left;
  transition: width .45s cubic-bezier(.2, .7, .2, 1);
}
.svc__link {
  grid-column: 1;
  font-family: var(--mincho);
  font-weight: 600;
  font-size: clamp(1.15rem, 1.05rem + .5vw, 1.45rem);
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--enji);
  text-decoration: none;
  word-break: auto-phrase;
  text-wrap: pretty;
}
.svc__link::before {
  content: "";
  position: absolute;
  inset: 0;
}
.svc__desc {
  grid-column: 1;
  margin-top: 6px;
  color: var(--mute);
  font-size: .875rem;
  line-height: 1.8;
  word-break: auto-phrase;
  text-wrap: pretty;
}
.svc__item:hover { background: var(--sakura-pale); }
.svc__item:hover::after { width: 52px; }
.svc__item:focus-within { background: var(--sakura-pale); }
.svc__link:focus-visible { outline: none; }
.svc__item:has(.svc__link:focus-visible) { outline: 2px solid var(--enji); outline-offset: 2px; }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding-block: clamp(64px, 8vw, 112px); scroll-margin-top: 16px; }
.section--company { background: var(--mint-light); border-top: 1px solid var(--mint-deep); }
.section--privacy { background: var(--mint); }
#services, #pp-intro, #pp-definition, #pp-collection, #pp-purpose,
#pp-disclosure, #pp-correction, #pp-security, #pp-changes { scroll-margin-top: 24px; }

.section__grid {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(32px, 6vw, 104px);
  align-items: start;
}
.section__grid > .cells-heading { position: sticky; top: 32px; }

/* 当社について */
.profile {
  margin: 0;
  max-width: calc(11.5em + 32px + var(--measure));
  border-top: 1px solid var(--rule-strong);
}
.profile__row {
  display: grid;
  grid-template-columns: 11.5em minmax(0, 1fr);
  gap: 8px 32px;
  padding-block: 18px;
  border-bottom: 1px dotted var(--rule);
}
.profile dt {
  word-break: auto-phrase;
  font-family: var(--mincho);
  font-weight: 600;
  color: var(--enji);
  letter-spacing: .06em;
}
.profile dd {
  margin: 0;
  max-width: var(--measure);
  text-wrap: pretty;
}

/* プライバシーポリシー */
.policy {
  display: grid;
  grid-template-columns: 15em minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.policy__toc {
  position: sticky;
  top: 32px;
  font-size: .85rem;
  line-height: 1.6;
}
.policy__toc ol { border-left: 1px solid var(--rule); }
.policy__toc a {
  display: block;
  padding: 7px 0 7px 16px;
  margin-left: -1px;
  border-left: 1px solid transparent;
  color: var(--mute);
  text-decoration: none;
  transition: color .25s, border-color .25s;
}
.policy__toc a:hover,
.policy__toc a[aria-current] { color: var(--enji); border-left-color: var(--enji); }

.policy__body { max-width: var(--measure); text-wrap: pretty; }
.policy__block + .policy__block { margin-top: 40px; }
.policy__block h3 {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--sumi);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.policy__block p + .policy__list { margin-top: 12px; }
.policy__list li {
  padding-left: 2.2em;
  text-indent: -2.2em;
}
.policy__list li + li { margin-top: 8px; }
.policy__date {
  margin-top: 48px;
  text-align: right;
  font-family: var(--mincho);
  letter-spacing: .12em;
  color: var(--mute);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--enji);
  color: #f6e9ec;
  font-size: .875rem;
  line-height: 1.9;
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--sakura); }
.site-footer :focus-visible { outline-color: #fff; }
.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px 48px;
  padding-block: 56px 32px;
}
.site-footer__brand {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: .14em;
  color: #fff;
}
.site-footer__brand span {
  display: block;
  font-family: var(--gothic);
  font-weight: 400;
  font-size: .72rem;
  letter-spacing: .3em;
  color: var(--sakura);
}
.site-footer address { margin-top: 14px; font-style: normal; }
.site-footer__nav li + li { margin-top: 6px; }
.site-footer__nav a { text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .35); }
.site-footer__nav a:hover { border-bottom-color: var(--sakura); }
.site-footer__copy {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .22);
  color: rgba(246, 233, 236, .8);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  .policy { grid-template-columns: 12.5em minmax(0, 1fr); }
}

@media (max-width: 960px) {
  .manuscript { --cell: clamp(23px, calc((100vw - 2 * var(--pad)) / 14.6), 44px); }
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "manuscript" "services";
  }
  .manuscript { justify-self: center; }
  .services { max-width: 720px; width: 100%; justify-self: center; }
}

@media (max-width: 760px) {
  .site-header__inner { flex-direction: column; align-items: flex-start; gap: 14px; padding-block: 16px; }
  .site-nav ul { gap: 4px 16px; flex-wrap: wrap; }
  .site-nav a { font-size: .78rem; letter-spacing: .04em; }
  .section__grid { grid-template-columns: minmax(0, 1fr); row-gap: 32px; }
  .section__grid > .cells-heading { position: static; }
  .cells-heading--vertical { --hc: clamp(28px, calc((100vw - 2 * var(--pad)) / 10.4), 40px); }
  .cells-heading--vertical .cells-heading__cells { flex-direction: row; flex-wrap: wrap; }
  .cells-heading--vertical .cells-heading__cells span { margin: 0 0 0 -1px; writing-mode: horizontal-tb; }
  .cells-heading--vertical .cells-heading__cells span:first-child { margin-left: 0; }
  .profile__row { grid-template-columns: minmax(0, 1fr); gap: 2px; padding-block: 16px; }
  .policy { grid-template-columns: minmax(0, 1fr); }
  .policy__toc { display: none; }
  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .sheet__print { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .c i, .sheet__seal { animation: none; }
  .svc__item, .svc__item::after, .site-nav a::after { transition: none; }
}

@media print {
  .site-header nav, .policy__toc, .skip-link { display: none; }
  body { background: #fff; }
  .sheet { box-shadow: none; }
  .manuscript::before { display: none; }
}