@charset "utf-8";
/* ============================================================
   sports-hitachi.com — トップページ
   株式会社シンコーシステム日立
   ============================================================ */

:root{
  --ink:      #12263a;   /* 本文 */
  --ink-sub:  #5b7186;   /* 補助文字 */
  --navy:     #0b2545;   /* 濃色面 */
  --navy-2:   #123a63;   /* 濃色面グラデ先 */
  --blue:     #0693e3;   /* ブランド青 */
  --blue-d:   #0272b3;   /* 濃い青（ホバー・文字） */
  --green:    #00d084;   /* ブランド緑 */
  --paper:    #ffffff;
  --mist:     #f2f6fa;
  --line:     #dfe7ef;

  --maxw: 1120px;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(11,37,69,.08);
  --shadow-h: 0 14px 34px rgba(11,37,69,.16);
}

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

html{ scroll-behavior:smooth; scroll-padding-top:74px; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic Medium",system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ line-height:1.4; margin:0; font-weight:700; letter-spacing:.01em; }
p{ margin:0; }
ul,ol,dl,dd{ margin:0; padding:0; }
li{ list-style:none; }

.wrap{ width:min(100% - 40px, var(--maxw)); margin-inline:auto; }
.pc-only{ display:inline; }
.sp-only{ display:none; }

/* ---------- ヘッダー ---------- */
.head{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.head__inner{
  width:min(100% - 32px, var(--maxw)); margin-inline:auto;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  height:62px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand__mark{ display:flex; }
.brand__text{ display:flex; flex-direction:column; line-height:1.25; }
.brand__text strong{ font-size:17px; letter-spacing:.01em; }
.brand__text small{ font-size:11px; color:var(--ink-sub); }

.nav{ display:flex; gap:22px; font-size:14px; font-weight:500; }
.nav a{ color:var(--ink); padding:4px 0; border-bottom:2px solid transparent; transition:.2s; }
.nav a:hover{ color:var(--blue-d); border-bottom-color:var(--blue); }

/* ---------- ヒーロー ---------- */
.hero{ position:relative; overflow:hidden; background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 60%,#17548c 100%); color:#fff; }
.hero__bg{
  position:absolute; inset:0;
  background:url("assets/hero-wide.jpg?v=3") center 60%/cover no-repeat;
  opacity:.62; filter:saturate(.92);
}
.hero::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg,rgba(8,28,52,.62) 0%,rgba(8,28,52,.42) 40%,rgba(8,28,52,.72) 100%),
    linear-gradient(90deg,rgba(8,28,52,.55) 0%,rgba(8,28,52,.10) 62%,rgba(8,28,52,.30) 100%);
}
.hero__inner{
  position:relative; z-index:2;
  width:min(100% - 40px, var(--maxw)); margin-inline:auto;
  padding:76px 0 62px;
}
.hero__kicker{
  font-size:12px; letter-spacing:.18em; font-weight:600;
  color:#8fd8ff; margin-bottom:18px;
}
.hero__title{
  font-size:clamp(30px,5.4vw,52px); line-height:1.28; letter-spacing:.02em;
  text-shadow:0 2px 18px rgba(0,0,0,.28);
}
.hero__lead{
  margin-top:18px; font-size:clamp(14px,1.5vw,16px); line-height:1.9;
  color:#dfeaf5; max-width:44em;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 26px; border-radius:999px;
  font-size:15px; font-weight:700; letter-spacing:.02em;
  transition:transform .18s, box-shadow .18s, background .18s;
}
.btn--primary{ background:linear-gradient(135deg,var(--blue) 0%,#0aa9d8 55%,var(--green) 140%); color:#fff; box-shadow:0 10px 26px rgba(6,147,227,.35); }
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 14px 30px rgba(6,147,227,.45); }
.btn--ghost{ border:1.5px solid rgba(255,255,255,.7); color:#fff; }
.btn--ghost:hover{ background:rgba(255,255,255,.14); transform:translateY(-2px); }

.hero__ticker{
  display:flex; flex-wrap:wrap; gap:10px 28px;
  margin-top:38px; padding-top:20px;
  border-top:1px solid rgba(255,255,255,.22);
  font-size:14px; color:#e7f1fa;
}
.hero__ticker li{ display:flex; align-items:baseline; gap:10px; }
.hero__ticker span{
  font-size:19px; font-weight:700; letter-spacing:.02em; color:#fff;
  font-variant-numeric:tabular-nums;
}

/* ---------- セクション共通 ---------- */
.sec{ padding:68px 0; }
.sec--mist{ background:var(--mist); }
.sec--dark{ background:linear-gradient(160deg,var(--navy) 0%,#0f3157 100%); color:#fff; }
.sec__kicker{ font-size:11px; letter-spacing:.18em; font-weight:700; color:var(--blue); margin-bottom:8px; }
.sec--dark .sec__kicker{ color:#7fd4ff; }
.sec__title{ font-size:clamp(22px,3vw,30px); letter-spacing:.02em; }
.sec__lead{ margin-top:14px; color:var(--ink-sub); max-width:56em; font-size:15px; }
.sec--dark .sec__lead{ color:#cfe0ee; }

/* ---------- 大会カード ---------- */
.cards{
  margin-top:34px;
  display:grid; gap:24px;
  grid-template-columns:repeat(3,1fr);
}
.card{
  display:flex; flex-direction:column;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow);
  transition:transform .2s, box-shadow .2s;
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-h); }
.card__media{ position:relative; aspect-ratio:16/10; overflow:hidden; background:var(--mist); }
.card__media img{ width:100%; height:100%; object-fit:cover; object-position:center; }
.badge{
  position:absolute; left:12px; top:12px;
  background:rgba(11,37,69,.88); color:#fff;
  font-size:12px; font-weight:700; letter-spacing:.02em;
  padding:6px 12px; border-radius:999px;
  backdrop-filter:blur(4px);
}
.badge--open{ background:linear-gradient(135deg,#00b874,#00d084); }

.card__body{ padding:20px 20px 22px; display:flex; flex-direction:column; flex:1; }
.card__date{
  font-size:14px; font-weight:700; color:var(--blue-d); letter-spacing:.02em; line-height:1.5;
}
.card__date span{ font-size:13px; margin-left:2px; }
.card__title{ margin-top:6px; font-size:19px; line-height:1.45; }
.card__place{ margin-top:8px; font-size:13px; color:var(--ink-sub); }
.card__text{ margin-top:12px; font-size:14px; line-height:1.85; }

.chips{ display:flex; flex-wrap:wrap; gap:6px; margin-top:14px; }
.chips li{
  font-size:12px; font-weight:600; color:var(--blue-d);
  background:#eaf5fd; border:1px solid #d3e9f8;
  padding:3px 10px; border-radius:999px;
}

.meta{ margin-top:14px; padding-top:12px; border-top:1px dashed var(--line); font-size:12.5px; line-height:1.7; }
.meta dt{ color:var(--ink-sub); font-weight:700; margin-top:6px; }
.meta dt:first-child{ margin-top:0; }
.meta dd{ margin:0; }

.card__link{
  margin-top:auto; padding-top:18px; align-self:flex-start;
  display:inline-flex; align-items:center; gap:6px;
  font-size:14px; font-weight:700; color:var(--blue-d);
  border-bottom:1.5px solid rgba(6,147,227,.35); padding-bottom:2px;
  transition:.2s;
}
.card__link:hover{ color:var(--green); border-bottom-color:var(--green); }

/* ---------- 記録・完走証 ---------- */
.feats{ margin-top:32px; display:grid; gap:20px; grid-template-columns:repeat(3,1fr); }
.feat{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:24px 22px; }
.feat__icon{
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,#e8f6fe,#e4fbf2); color:var(--blue-d);
  margin-bottom:14px;
}
.feat h3{ font-size:17px; }
.feat p{ margin-top:8px; font-size:14px; line-height:1.85; color:var(--ink-sub); }
.note{ margin-top:22px; font-size:13px; color:var(--ink-sub); }

/* ---------- 記録計測 ---------- */
.points{ margin-top:32px; display:grid; gap:18px; grid-template-columns:repeat(2,1fr); }
.points li{
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius); padding:22px 22px;
}
.points h3{ font-size:17px; position:relative; padding-left:14px; }
.points h3::before{
  content:""; position:absolute; left:0; top:.45em;
  width:5px; height:5px; border-radius:50%; background:var(--green);
}
.points p{ margin-top:8px; font-size:14px; line-height:1.85; color:#cfe0ee; }

.cta{
  margin-top:34px; padding:26px 26px;
  background:rgba(255,255,255,.09); border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:20px;
}
.cta__text{ font-size:15px; line-height:1.85; }
.cta__btns{ display:flex; flex-wrap:wrap; gap:12px; }

/* ---------- 運営会社 ---------- */
.company{ display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:start; }
.company__table{ border-top:1px solid var(--line); font-size:14px; }
.company__table > div{
  display:grid; grid-template-columns:100px 1fr; gap:14px;
  padding:12px 2px; border-bottom:1px solid var(--line);
}
.company__table dt{ color:var(--ink-sub); font-weight:700; }
.company__table dd{ margin:0; }
.company__table a{ color:var(--blue-d); border-bottom:1px solid rgba(6,147,227,.3); }
.company .card__link{ margin-top:20px; }

/* ---------- フッター ---------- */
.foot{ background:var(--navy); color:#fff; padding:34px 0 30px; }
.foot__inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:18px; }
.foot__brand{ display:flex; flex-direction:column; line-height:1.5; }
.foot__brand strong{ font-size:16px; letter-spacing:.01em; }
.foot__brand span{ font-size:12px; color:#a8c2da; }
.foot__nav{ display:flex; flex-wrap:wrap; gap:20px; font-size:13px; }
.foot__nav a{ color:#d6e5f2; }
.foot__nav a:hover{ color:var(--green); }
.foot__copy{ width:100%; font-size:12px; color:#8fabc6; border-top:1px solid rgba(255,255,255,.14); padding-top:16px; }

/* ---------- レスポンシブ ---------- */
@media (max-width:960px){
  .cards{ grid-template-columns:repeat(2,1fr); }
  .feats{ grid-template-columns:1fr; }
  .company{ grid-template-columns:1fr; gap:28px; }
  .nav{ gap:16px; font-size:13px; }
}

@media (max-width:680px){
  body{ font-size:15px; }
  .pc-only{ display:none; }
  .sp-only{ display:inline; }
  html{ scroll-padding-top:104px; }
  .head__inner{ height:auto; flex-direction:column; align-items:stretch; gap:0; padding-top:9px; }
  .brand__text strong{ font-size:15px; }
  .nav{
    display:flex; justify-content:space-between; gap:0;
    font-size:12.5px; padding:8px 2px 7px; margin-top:8px;
    border-top:1px solid var(--line);
  }
  .nav a{ padding:0; }
  .hero__inner{ padding:54px 0 46px; }
  .hero__lead{ font-size:14px; }
  .hero__actions .btn{ width:100%; }
  .hero__ticker{ flex-direction:column; gap:8px; margin-top:30px; }
  .sec{ padding:52px 0; }
  .cards{ grid-template-columns:1fr; gap:20px; }
  .points{ grid-template-columns:1fr; }
  .cta{ padding:22px 18px; }
  .cta__btns{ width:100%; }
  .cta__btns .btn{ width:100%; }
  .company__table > div{ grid-template-columns:82px 1fr; gap:10px; }
  .foot__inner{ flex-direction:column; align-items:flex-start; }
}