```

    "use client" // this is a client component
    import React from "react"
    import { useState } from "react"
    import { Link } from "react-scroll/modules"
    import { usePathname } from "next/navigation"
    import { useTheme } from "next-themes"
    import { RiMoonFill, RiSunLine } from "react-icons/ri"
    import { IoMdMenu, IoMdClose } from "react-icons/io"
    
    interface NavItem {
      label: string
      page: string
    }
    
    const NAV_ITEMS: Array<NavItem> = [
      {
        label: "Home",
        page: "home",
      },
      {
        label: "About",
        page: "about",
      },
      {
        label: "Projects",
        page: "projects",
      },
      {
        label:"Contact",
        page:"contact",
      }
    ]
    
    export default function Navbar() {
      const { systemTheme, theme, setTheme } = useTheme()
      const currentTheme = theme === "system" ? systemTheme : theme
      const pathname = usePathname()
      const [navbar, setNavbar] = useState(false)
      return (
        <header className="w-full mx-auto  px-4 sm:px-20 fixed top-0 z-50 shadow dark:bg-stone-900 dark:border-b dark:border-stone-600 bg-white">
          <div className="justify-between md:items-center md:flex">
            <div>
              <div className="flex items-center justify-between py-3 md:py-5 md:block">
                <Link to="home">
                  <div className="container flex items-center space-x-2">
                    <h2 className="text-2xl font-bold">Kaiot Hori</h2>
                  </div>
                </Link>
                <div className="md:hidden">
                  <button
                    className="p-2 text-gray-700 rounded-md outline-none focus:border-gray-400 focus:border"
                    onClick={() => setNavbar(!navbar)}
                  >
                    {navbar ? <IoMdClose size={30} /> : <IoMdMenu size={30} />}
                  </button>
                </div>
              </div>
            </div>
    
            <div>
              <div
                className={`flex-1 justify-self-center pb-3 mt-8 md:block md:pb-0 md:mt-0 ${
                  navbar ? "block" : "hidden"
                }`}
              >
                <div className="items-center justify-center space-y-8 md:flex md:space-x-6 md:space-y-0">
                  {NAV_ITEMS.map((item, idx) => {
                    return (
                      <Link
                        key={idx}
                        to={item.page}
                        className={
                          "block lg:inline-block  text-neutral-900  hover:text-neutral-500"
                        }
                        activeClass="active"
                        spy={true}
                        smooth={true}
                        offset={-100}
                        duration={500}
                        onClick={() => setNavbar(!navbar)}
                      >
                        {item.label}
                      </Link>
                    )
                  })}
                  {currentTheme === "dark" ? (
                    <button
                      onClick={() => setTheme("light")}
                      className="bg-slate-100 p-2 rounded-xl"
                    >
                      <RiSunLine size={25} color="black" />
                    </button>
                  ) : (
                    <button
                      onClick={() => setTheme("dark")}
                      className="bg-slate-100 p-2 rounded-xl"
                    >
                      <RiMoonFill size={25} color="black" />
                    </button>
                  )}
                </div>
              </div>
            </div>
          </div>
        </header>
      )
    }
    
```
CC BY-SA 4.0
2023-06-16T10:36:06.347
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2023-06-16T10:46:50.117
2023-06-16T10:46:50.117
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question
reactjs next.js
ダークモードのスタイルが反映されない